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# Copyright 2016 Huawei Technologies Co. Ltd.
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""
Collect the wanted data by using ceilometer client to send HTTP request to
ceilometer server
"""
# Import modules
import web
import subprocess
import ceilometerclient.client
import json
import readline # It automatically wraps studin
urls = (
'/', 'Index',
'/meter', 'Meter',
'/sample', 'Sample'
)
app = web.application(urls, globals())
# Global variables
c_client = None
resource_id_list = []
resource_id = None
render = web.template.render('templates', base="layout")
class Index(object):
def GET(self):
return render.source()
def POST(self):
form = web.input(content=None)
dumps = ('/usr/bin/python -c '
'"import os, json; print json.dumps(dict(os.environ))"')
command = ['/bin/bash', '-c', form.content + '&&' + dumps]
pipe = subprocess.Popen(command, stdout=subprocess.PIPE)
env = json.loads(pipe.stdout.read())
# Create an authenticated ceilometer client
global c_client
c_client = ceilometerclient.client.get_client(
"2", os_username=env['OS_USERNAME'],
os_password=env['OS_PASSWORD'],
os_tenant_name=env['OS_TENANT_NAME'],
os_auth_url=env['OS_AUTH_URL'])
resource_list = c_client.resources.list()
resourceInfo = open("templates/resourceInfo.html", "w")
index = 0
resourceInfo.write("<h2>All resource ids which can be measured "
"are listed as follows:</h2>")
resourceInfo.write("<ol>\n")
for each in resource_list:
resourceInfo.write(" <li>resource_id_list[%d]: %s</li>\n" %
(index, each.resource_id))
index += 1
global resource_id_list
resource_id_list.append(each.resource_id)
resourceInfo.write("</ol>\n")
resourceInfo.write(
"<h2>The following shows resources corresponding to resource ids: "
"</h2><ul>\n"
" <li>resource_id_list[0:3] represents image ids</li> \n"
" <li>resource_id_list[3] represents instance ids</li> \n"
" <li>resource_id_list[4:6] represents disk ids</li> \n"
" <li>resource_id_list[6] represents interface ids</li> \n"
"</ul><h2>So you can collect what kind of data you like."
"Just type the number from 0 to 6</h2>"
)
resourceInfo.write(
'<form action="/meter" method="POST" height=29px> \n'
'<input type="text" name="number" width=200px>\n'
'<input type="submit" value="Submit Number" class="button">\n'
'</form>'
)
resourceInfo.close()
return render.resourceInfo()
class Meter(object):
def POST(self):
form = web.input(number=None)
input_number = int(form.number)
global resource_id
resource_id = resource_id_list[input_number]
query_meter = [dict(field='resource_id', op='eq', value=resource_id)]
meter_list = c_client.meters.list(q=query_meter)
meter_name_list = []
metersInfo = open("templates/metersInfo.html", "w")
metersInfo.write(
'<h2>List meter names related with the resource id--%s as '
'follows:</h2>\n' % resource_id)
metersInfo.write("<ol>\n")
for each in meter_list:
metersInfo.write(" <li>%s</li>\n" % each.name)
meter_name_list.append(each.name)
metersInfo.write("</ol>\n")
metersInfo.write(
"\n<p>You can collect whatever meters you like just by typing "
"the meter names and using ',' as the separator,\n e.g., "
"disk.read.requests.rate, disk.write.requests.rate, "
"disk.read.bytes.rate, disk.write.bytes.rate, cpu_util.</p>")
metersInfo.write(
"<p>At the same time, you need to specify the beginning time and "
"the end time for the collection. \nThe time format is fixed, "
"e.g., 2016-02-28T00:00:00.</p>")
metersInfo.write(
'<form action="/sample" method="POST" height=29px>\n'
'Meters:<input type="text" name="sample" class="input-box">\n'
'<br> \n'
'Begin Time:<input type="text" name="begin_time" class="input-box">'
'<br> \n'
'End Time:<input type="text" name="end_time" class="input-box"> \n'
'<br> \n'
'<input type="submit" value="Submit" class="button">'
)
metersInfo.close()
return render.metersInfo()
class Sample(object):
def POST(self):
form = web.input(sample=None, begin_time=None, end_time=None)
input_meters = form.sample
collect_meters = input_meters.split(",")
collect_meters = [meter.strip() for meter in collect_meters]
collect_meter_samples = []
for each in collect_meters:
query = [
dict(field='resource_id', op='eq', value=resource_id),
dict(field='timestamp', op='ge', value=form.begin_time),
dict(field='timestamp', op='lt', value=form.end_time),
dict(field='meter', op='eq', value=each)
]
(collect_meter_samples.
append(c_client.new_samples.list(q=query, limit=1000)))
# append(c_client.samples.list(each, limit=1000)))
fout = open('collectMeterSamples.arff', 'w')
head_info = ("% ARFF file for the collected meter samples "
"with some numeric feature from ceilometer API. \n \n"
"@relation collected samples for VMs on host \n \n"
"@attribute timestample \n"
"@attribute resource id \n")
for each in collect_meters:
head_info = head_info + "@attribute %s \n" % each
head_info = head_info + "@data \n \n"
fout.write(head_info)
count = 0
collect_meter_sample_values = []
for each in collect_meter_samples[1:]:
each_sample_value = []
for i in each:
# each_sample_value.append(str(i.counter_volume))
each_sample_value.append(str(i.volume))
collect_meter_sample_values.append(each_sample_value)
for each in collect_meter_samples[0]:
fout.write(each.timestamp + ', ' + each.resource_id)
# fout.write(', ' + str(each.counter_volume))
fout.write(', ' + str(each.volume))
for i in collect_meter_sample_values:
fout.write(', ' + i[count])
fout.write('\n')
count += 1
fout.close()
return render.meterSamples(count=count)
if __name__ == "__main__":
app.run()
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